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Weather Underground midday recap for Friday, May 22, 2015
A low pressure system moved across the Southwest on Friday, while a separate system affected the Northeast.
An area of low pressure pushed eastward over southern California and western Arizona. This system generated scattered showers and isolated thunderstorms over the Pacific Northwest, California, the Great Basin and the Intermountain West. Flash flood watches were issued across Oregon and central Washington in anticipation of afternoon thunderstorms. Just to the east, heavy rain and strong thunderstorms battered down on the central and southern Plains. Flood warnings were issued across portions of Texas, Oklahoma, Missouri and Arkansas. Lawton, Okla., reported a midday total of 1.57 inches of rain. Liberal, Kan., reported a midday total of 1.11 inches of rain. A stationary front stalled out across the northern Gulf of Mexico. Warm, muggy air interacted with this frontal boundary, which fueled isolated thunderstorms over parts of the western Gulf Coast and the southern tip of Florida.
Meanwhile, an area of low pressure shifted over northern New England. This system ushered light to moderate rain over the central Appalachians and New England. Nantucket, Mass., reported a midday total of 0.62 inches of rain. In addition, a blast of cold air began to spread across the the Northeast. Freeze warnings were issued in northern Michigan, northeast Ohio, northern Pennsylvania, New York and western New England. Grayling, Mich., recorded a morning low of 26 degrees. .